Hospital Leadership

Kimberly D. Russo

Chief Executive Officer – GW Hospital
Group Vice President – Washington, DC Region

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Kimberly Russo, MS, is the Group Vice President of the Washington, DC Region and Chief Executive Officer (CEO) of the George Washington University Hospital.

Before being named CEO of GW Hospital in 2016, Ms. Russo served as Chief Operating Officer for the hospital since April 2009.  Prior to that, she was Associate Administrator at the hospital since August 2006, and was previously Executive Director of Rehabilitation Services. She holds an MBA from the University of Nebraska-Lincoln, through a collaborative leadership program with Gallup, a Master of Science in Speech-Language Pathology from Rush University in Chicago, and a Bachelor of Science in Speech Language Pathology and Audiology from Illinois State University.
 
Ms. Russo is a healthcare executive with 20 years of clinical and operational experience, and has a proven track record of exceptional results. She was recognized as one of The Washington Business Journal's 2016 "Playmakers," a list of business leaders who made an impact on the DC area in 2016. The Washington Business Journal also named her an honoree of "Women Who Mean Business" in 2010. In addition, in 2010, she was recognized as an “Up and Comer Under 40” by Modern Healthcare and Becker's Hospital Review.


Nicole Dollison

Chief Operating Officer

Nicole Dollison, COO

Nicole Dollison was named Chief Operating Officer (COO) at the George Washington University Hospital in January 2017. Prior to joining GW Hospital, Dollison served as COO at Manatee Memorial Hospital in Florida. In that role, she led the acquisition of a diagnostic center; assisted with the development of one of the largest structural heart programs in Florida; developed a comprehensive breast program; created an observation unit; and contributed to a successful application for chest pain accreditation, stroke accreditation and CAP certification.

Prior to joining Manatee Memorial Hospital, Dollison served as the Vice President of Operations at Alegent Creighton Health, an 11-hospital health system with 2,000 licensed beds in two states. Her more than 20 years of healthcare leadership experience also includes roles overseeing departments of surgery and medicine, as well as serving as an Executive Director for Beverly Healthcare, an organization operating 400 nursing facilities, assisted living centers and hospice.

She is a member of the American College of Health Care Executives and holds a Master of Public Health Administration from the University of Nebraska-Omaha.


Bruno Petinaux

Chief Medical Officer

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Bruno Petinaux, MD, was appointed Chief Medical Officer (CMO) at the George Washington University Hospital in June 2017. Prior to his official appointment, he served as Interim CMO for a year, during which he led the development and execution of many safety and quality initiatives.

In addition to his role as CMO, Dr. Petinaux is an associate professor in the Department of Emergency Medicine at the GW School of Medicine and Health Sciences and has been an emergency medicine physician at GW Hospital since 2002. He co-chairs GW Hospital’s Emergency Management Program and is the Emergency Management Track Director for the GW School of Medicine and Health Sciences. Along with his work at GW, Dr. Petinaux supports our community as a medical team manager for the Virginia Task Force 1/USA 1 Urban Search and Rescue Team.

Dr. Petinaux completed his emergency medicine residency at GW Hospital where he finished as chief resident. Along with his medical degree from the Sidney Kimmel Medical College from the Thomas Jefferson University in Philadelphia, Dr. Petinaux has a military background with the United States Army Reserve.


Antonio Perugino

Chief Financial Officer

Antonio Perugino, MBA, became the Chief Financial Officer of The George Washington University Hospital (GW Hospital) in March 2022. He came to the hospital with more than 30 years of financial leadership experience. Most recently, Antonio held the position of Chief Financial Officer for the East Region of Prospect Medical Holdings in New York. In that role, he was responsible for overseeing the financial operations for 10 hospitals in four states.

Prior to that position, Antonio spent 13 years as the Chief Financial Officer/Vice President Corporate Finance and Business Intelligence at Health Quest/Nuvance Health where he directed the financial operations for a three-hospital health system. He has also participated in community service initiatives including leading the Re-Entry Acceleration Program (REAP) where he built curriculum for soon-to-be-released incarcerated individuals.

Antonio earned a Master of Business Administration from Columbia University in New York and a Bachelor of Science in Business Administration from SUNY Polytechnic in New York. He is a member of the Healthcare Financial Management Association and the Healthcare Industry Association, and he holds several board appointments.


Scott Croonquist

Chief Nursing Officer

Scott Croonquist

Scott Croonquist, DNP, RN, NEA-BC, joined the George Washington University Hospital as Chief Nursing Officer in January 2020.

Earlier in his career, Croonquist was the Magnet Recognition Program Appraiser for the American Nurses Credentialing Center in Washington, DC; Associate Chief Nursing Officer and Administrator of Adult Patient Care Services for the University of Virginia Health System in Charlottesville, Virginia.; Director of Patient Care Services/Cardiac Service, Critical Care Nursing for New York-Presbyterian Hospital in New York; and Administrative Director of Nursing for Hackensack University Medical Center in Hackensack, New Jersey.

Croonquist earned his Doctorate of Nursing Practice in Executive Leadership from the American Sentinel University in Aurora, Colorado, as well as a Master of Science in Nursing Administration/Case Management from Saint Peter’s College in Englewood Cliffs, New Jersey. He received his Bachelor of Science in Nursing from Ramapo College/University of Medicine and Dentistry of New Jersey in Mahwah, New Jersey.


Hazel Darisse

Assistant Chief Nursing Officer

Hazel Darisse

Hazel Darisse was appointed Assistant Chief Nursing Officer at the George Washington University Hospital in May 2018.

Darisse has been in nursing at GW Hospital since 1990 and spent almost 10 years as Divisional Director of Surgical Services. Prior to that position, she performed a number of nursing roles including time as Operating Room Manager and Cardiac Surgery Coordinator.

With decades of nursing experience at GW, Darisse has been integral to a number of initiatives. As part of the OR leadership team, she helped launch the Thoracic Robotic program in 2004. In addition, she worked with the GWU School of Nursing to develop the Perioperative 101 curriculum to increase recruitment and interest in this field of nursing that has the highest shortage nationwide.

Darisse holds a Doctorate of Nursing Practice and a Master of Science in Nursing from The George Washington University. She received her undergraduate nursing degree from Marymount University. She is a Nursing Honors Society member of Sigma Theta Tau International and was a founding member of the Phi Epsilon chapter.


Raynard Ware

Associate Administrator

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Raynard Ware was appointed Associate Administrator at the George Washington University Hospital in June 2021.

Ware joined GW Hospital after serving as the Vice President of Operations for the 307-bed Palms of Pasadena Hospital in St. Petersburg, Florida. In that role, he oversaw more than 350 employees, led service line growth and improved financial and service operations.

Earlier in his career, he served as the Assistant Administrator, Co-Ethics and Compliance Officer at the Medical Center of Trinity Hospital in Tampa, Florida; Executive Resident with HCA’s Strategy and Innovation Group in Nashville, Tennessee; Graduate Health Policy Intern at the DC Council – Committee on Health in Washington, D.C.; and an Analyst with Triage Consulting Group in Atlanta, Georgia.

Ware received his master’s degree in Health Systems Administration from Georgetown University and his bachelor’s degree in Business Administration, Finance from Morehouse College. He belongs to several professional organizations including the National Association of Health Services Executives and the American College of Healthcare Executives.


Ulises Torres

Chief Quality Officer

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Ulises Torres, MD, MEHP, FACS was appointed Chief Quality Officer at The George Washington University Hospital in September 2021. Prior to joining GW Hospital, Dr. Torres served as the Surgical Chief Quality Officer at the University of Massachusetts Memorial Medical Center. While there, he held numerous other leadership positions including: Attending Surgeon in the Department of Surgery; Director of Trauma Education and Outreach; Associate Program Director for General Surgery Residency; Chair of Communication for the Physician Engagement Committee; and Engagement Physician Champion for the Department of Surgery.

Dr. Torres has many awards and honors and is a member of several professional organizations including the American College of Surgeons. In addition, Dr. Torres has been involved in several quality improvement projects and has presented his clinical work nationally. He holds a Doctor of Medicine and Surgery from Universidad Nacional Autonoma de Honduras, board certifications in general surgery and surgical critical care, as well as a Master of Education in the Health Professionals from Johns Hopkins University.